Home / 55,689.35-83,531.72-20,151.51

Finding the Fourth Proportional to 55,689.35, 83,531.72 and 20,151.51

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Solution

The fourth proportional to 55,689.35, 83,531.72 and 20,151.51 is: 30,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,689.35 : 83,531.72 = 20,151.51 : x
  2. Step 2: Convert to fraction form
    55,689.35/83,531.72 = 20,151.51/x
  3. Step 3: Cross multiply
    55,689.35x = 83,531.72 × 20,151.51
  4. Step 4: Simplify right side
    55,689.35x = 1,683,290,222.44
  5. Step 5: Solve for x
    x = 1,683,290,222.44/55,689.35
  6. Step 6: Final answer
    x = 30,226.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.